Merge pull request #7 from ChrisSaxonOra/inventory-shipments

Inventory shipments

Author: ChrisSaxonOra

customer_orders/co_comments.sql

@@ -119,6 +119,9 @@ comment on column order_items.unit_price
 
 comment on column order_items.quantity 
   is 'How many items of this product the customer purchased';
+  
+comment on column order_items.shipment_id 
+  is 'Where this product will be delivered';
 
 comment on table customer_order_products
   is 'A summary of who placed each order and what they bought';
@@ -202,4 +205,41 @@ comment on column product_orders.total_sales
   is 'The total value of orders placed';
 
 comment on column product_orders.order_count 
-  is 'The total number of orders placed';
+  is 'The total number of orders placed';
+  
+comment on table shipments
+  is 'Details of where ordered goods will be delivered';
+  
+comment on column shipments.shipment_id
+  is 'Auto-incrementing primary key';
+  
+comment on column shipments.store_id
+  is 'Which location the goods will be transported from';
+  
+comment on column shipments.customer_id
+  is 'Who this shipment is for';
+  
+comment on column shipments.delivery_address
+  is 'Where the goods will be transported to';
+  
+comment on column shipments.shipment_status
+  is 'The current status of the shipment. Valid values are: 
+CREATED - the shipment is ready for order assignment
+SHIPPED - the goods have been dispatched
+IN-TRANSIT - the goods are en-route to their destination
+DELIVERED - the good have arrived at their destination';
+
+comment on table inventory
+  is 'Details of the quantity of stock available for products at each location';
+  
+comment on column inventory.inventory_id
+  is 'Auto-incrementing primary key';
+  
+comment on column inventory.store_id
+  is 'Which location the goods are located at';
+  
+comment on column inventory.product_id
+  is 'Which item this stock is for';
+  
+comment on column inventory.product_inventory
+  is 'The current quantity in stock';

customer_orders/co_constraints.sql

@@ -30,12 +30,37 @@ alter table orders add constraint  orders_status_c
 alter table orders add constraint orders_store_id_fk foreign key (store_id) 
    references stores (store_id);
 
+alter table shipments add constraint shipments_pk primary key (shipment_id);
+
+alter table shipments add constraint shipments_store_id_fk 
+   foreign key (store_id) references stores (store_id);
+
+alter table shipments add constraint shipments_customer_id_fk 
+   foreign key (customer_id) references customers (customer_id);
+                  
+alter table shipments add constraint shipment_status_c
+                  check ( shipment_status in 
+                    ( 'CREATED', 'SHIPPED', 'IN-TRANSIT', 'DELIVERED'));
+
 alter table order_items add constraint order_items_pk primary key ( order_id, line_item_id );
 
 alter table order_items add constraint order_items_order_id_fk
    foreign key (order_id) references orders (order_id);
 
+alter table order_items add constraint order_items_shipment_id_fk
+   foreign key (shipment_id) references shipments (shipment_id);
+
 alter table order_items add constraint order_items_product_id_fk
    foreign key (product_id) references products (product_id);
 
 alter table order_items add constraint order_items_product_u unique ( product_id, order_id );
+
+alter table inventory add constraint inventory_pk primary key (inventory_id);
+
+alter table inventory add constraint inventory_store_product_u unique (store_id, product_id);
+
+alter table inventory add constraint inventory_store_id_fk 
+   foreign key (store_id) references stores (store_id);
+
+alter table inventory add constraint shipments_product_id_fk 
+   foreign key (product_id) references products (product_id);

customer_orders/co_dml.sql

@@ -1,6 +1,8 @@
 PROMPT Removing existing data 
 
 truncate table order_items;
+truncate table inventory;
+delete shipments;
 delete orders;
 delete stores;
 delete customers;
@@ -12,7 +14,9 @@ PROMPT Inserting data
 @@products
 @@stores
 @@orders
+@@shipments
 @@order_items
+@@inventory
 
 commit;
 

customer_orders/co_drop_objects.sql

@@ -15,3 +15,7 @@ drop table stores
   cascade constraints;
 drop table customers
   cascade constraints;
+drop table inventory
+  cascade constraints;
+drop table shipments
+  cascade constraints;

customer_orders/co_set_identity_starts.sql

@@ -18,6 +18,18 @@ alter table customers
 
 alter table orders
   modify order_id 
+  generated by default on null as identity (
+      start with limit value 
+  );
+  
+alter table shipments
+  modify shipment_id 
+  generated by default on null as identity (
+      start with limit value 
+  );
+  
+alter table inventory
+  modify inventory_id 
   generated by default on null as identity (
       start with limit value 
   );

customer_orders/co_tables.sql

@@ -41,16 +41,37 @@ create table orders (
   store_id        integer not null)
 ;
 
+create table shipments (
+  shipment_id          integer 
+                       generated by default on null as identity,
+  store_id             integer not null,
+  customer_id          integer not null,
+  delivery_address     varchar2(512 char) not null,
+  shipment_status      varchar2(100 char) not null)
+;
+
 create table order_items (
-  order_id                   integer not null,
-  line_item_id               integer not null,
-  product_id                 integer not null,
-  unit_price                 number(10,2) not null,
-  quantity                   integer not null)
+  order_id        integer not null,
+  line_item_id    integer not null,
+  product_id      integer not null,
+  unit_price      number(10,2) not null,
+  quantity        integer not null,
+  shipment_id     integer)
+;
+
+create table inventory (
+  inventory_id          integer
+                        generated by default on null as identity,
+  store_id              integer not null,
+  product_id            integer not null,
+  product_inventory     integer not null)
 ;
 
 PROMPT Creating indexes
 
 create index customers_name_i on customers ( full_name );
 create index orders_customer_id_i on orders ( customer_id );
-create index orders_store_id_i on orders ( store_id );
+create index orders_store_id_i on orders ( store_id );
+create index shipments_store_id_i on shipments ( store_id );
+create index shipments_customer_id_i on shipments ( customer_id );
+create index inventory_product_id_i on inventory ( product_id );